English Words Starting With R

• rukwa

  nounVery low; primarily used in specialized contexts such as geography or African studies.
  /ˈrʊkwə/A proper noun referring to Lake Rukwa or the Rukwa Region in Tanzania.
• rule

  nounverbverb-intransitiveverb-transitiveB1
  /ruːl/A prescribed guide for conduct or action; a principle or regulation governing behavior or procedure.
• rule joint

  nounVery low
  /ˈruːl ˌdʒɔɪnt/A hinge used in carpentry and cabinetry, typically for a drop-leaf table, consisting of a knuckle on one piece that fits into a recess on the other, allowing the leaf to fold downward while the top surfaces remain flush.
• rule of eleven

  nounRare
  /ˌruːl əv ɪˈlɛv(ə)n/A specific counting convention and strategy used in the game of contract bridge to deduce the number of higher cards held by defenders.
• rule of engagement

  nounC1/C2
  /ˌruːl əv ɪnˈɡeɪdʒmənt/An official directive that defines the circumstances, conditions, and limitations under which military forces will initiate and/or continue combat engagement.
• rule of law

  nounB2
  /ˈruːl əv ˈlɔː/The principle that all people and institutions are subject to and accountable under the law, which is fairly applied and enforced.
• rule of the road

  nounB2
  /ˌruːl əv ðə ˈrəʊd/The set of laws and customary practices governing the movement of vehicles and pedestrians on roads to ensure safety and order.
• rule of three

  nounB2
  /ˌruːl əv ˈθriː/A principle or method based on the number three, particularly the technique of grouping three items together for increased effectiveness in communication, memorisation, or structure.
• rule of thumb

  nounB2
  /ˌruːl əv ˈθʌm/A practical, approximate guideline or method derived from experience rather than precise calculation or scientific theory.
• rule out

  verbB2
  /ˌruːl ˈaʊt/to exclude something as a possibility; to decide that something is not possible or suitable.
• ruled surface

  nounC1/C2 (Academic/Technical)
  /ruːld ˈsɜːfɪs/A surface that can be generated by moving a straight line through space, where every point on the surface lies on at least one straight line that is completely contained in the surface.
• ruler

  nounB1
  /ˈruːlə(r)/A straight strip of material with marked units (centimetres/inches) used for measuring and drawing straight lines.
• rulership

  nounC2
  /ˈruːləʃɪp/The condition or position of being a ruler; sovereignty or dominion.
• rules

  plural-nounA1
  /ruːlz/Official instructions or principles that state how things should be done, or what is allowed, especially within a particular system, organization, or activity.
• rules committee

  nounlow
  /ˈruːlz kəˌmɪt.i/A formal group within a legislative body or organization that is responsible for establishing or reviewing the procedures and regulations governing debate, amendments, and the processing of proposals.
• rules of order

  nounB2
  /ˌruːlz əv ˈɔːdə(r)/A set of formal regulations governing the conduct of meetings, debates, or assemblies to ensure orderly and fair proceedings.
• ruling

  adjectivenounB2
  /ˈruːlɪŋ/the official and final decision made by a judge, court, or other authority.
• ruling elder

  nounC2
  /ˈruː.lɪŋ ˈel.də(r)/A lay officer in a Presbyterian or Reformed church, elected by the congregation and ordained to govern the church alongside ministers.
• ruling grade

  nounC2
  /ˈruːlɪŋ ɡreɪd/The steepest uphill gradient on a railway line, which determines the maximum load a locomotive can pull.
• rum

  nounB1
  /rʌm/An alcoholic spirit distilled from sugarcane by-products, primarily molasses or sugarcane juice.

Showing 5501–5520 of 5802 words.